RSA 366:5 Investigation and Proof.

The department of energy shall have full power and authority to investigate any such contract, arrangement, purchase, or sale and initiate a proceeding related thereto before the commission. If the commission after notice and hearing shall find any such contract, arrangement, purchase, or sale to be unjust or unreasonable, the commission may make such reasonable order relating thereto as the public good requires. In any such investigation, the burden shall be on the public utility and affiliate to prove the reasonableness of any such contract, arrangement, purchase, or sale with, from, or to an affiliate. If the public utility shall fail to satisfy the commission of the reasonableness of any such contract, arrangement, purchase, or sale, the commission may disapprove the same and disallow